761101011120221 has 2 divisors, whose sum is σ = 761101011120222. Its totient is φ = 761101011120220.

The previous prime is 761101011120127. The next prime is 761101011120251. The reversal of 761101011120221 is 122021110101167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 547957216812196 + 213143794308025 = 23408486^2 + 14599445^2 .

It is an emirp because it is prime and its reverse (122021110101167) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 761101011120221 - 2¹⁸ = 761101010858077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (761101011120251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380550505560110 + 380550505560111.

It is an arithmetic number, because the mean of its divisors is an integer number (380550505560111).

Almost surely, 2^{761101011120221} is an apocalyptic number.

It is an amenable number.

761101011120221 is a deficient number, since it is larger than the sum of its proper divisors (1).

761101011120221 is an equidigital number, since it uses as much as digits as its factorization.

761101011120221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 26.

Adding to 761101011120221 its reverse (122021110101167), we get a palindrome (883122121221388).

The spelling of 761101011120221 in words is "seven hundred sixty-one trillion, one hundred one billion, eleven million, one hundred twenty thousand, two hundred twenty-one".